### Home > MC2 > Chapter 2 > Lesson 2.1.3 > Problem2-42

2-42.

Use the eTool to explore the problem.
Click the link at right for the full version of the eTool: MC2 2-42 HW eTool

Consider how many marbles are not red
and how many total marbles are in his bag.

Be sure to know what probability is.

How many purple marbles are in his bag?

The probability is 0. Make sure to know why and explainwhat a probability of 0 means.